540Sign
E-signature and contract signing with PKI signatures and a tamper-evident audit trail.
ERPNext / Frappe v15
Any regulated business, Legal, Procurement
5 modules
Saudi e-transactions law, eIDAS, ESIGN / UETA
What 540Sign removes
Sending contracts to a third-party e-signature tool means your agreements — and their audit trail — live outside the system that runs your business. 540Sign lets you sign, seal and prove without leaving your ERP.
What it does
Envelopes & routing
Envelope creation and signer routing, with a contract-drafting editor built in.
Real digital signatures
PKI / PAdES digital signatures with a tamper-evident audit trail.
Assurance levels
Simple → advanced → qualified signatures to match the legal weight each document needs.
The depth, at a glance
Why it's ERP-native
Signed contracts are records in your ERP, linked to the customer, order or project they belong to.
Sign, seal and prove — without leaving your ERP.
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Book a 30-minute demo and we'll show it running against a realistic version of your operation.